List of Flags
List of flags who have authorized IRS to undertake statutory Surveys on their behalf
| 1 | Antigua and Barbuda |
| 2 | Bahamas |
| 3 | Bahrain |
| 4 | Bangladesh |
| 5 | Barbados |
| 6 | Belize |
| 7 | Bulgaria |
| 8 | Commonwealth of Dominica |
| 9 | Comoros |
| 10 | Cook Islands |
| 11 | Cyprus |
| 12 | Denmark |
| 13 | Gabon |
| 14 | Georgia |
| 15 | Guinea-Bissau |
| 16 | Honduras |
| 17 | India |
| 18 | Jamaica |
| 19 | Jordan |
| 20 | Kenya |
| 21 | Kingdom of Thailand |
| 22 | Kiribati |
| 23 | Latvia |
| 24 | Liberia |
| 25 | Malaysia |
| 26 | Maldives |
| 27 | Malta |
| 28 | Marshall Islands |
| 29 | Mauritius |
| 30 | Mongolia |
| 31 | Myanmar |
| 32 | Netherlands |
| 33 | Nigeria |
| 34 | Niue |
| 35 | Oman |
| 36 | Palau |
| 37 | Panama |
| 38 | Paraguay |
| 39 | Philippines |
| 40 | Qatar |
| 41 | Republic of Gambia |
| 42 | Republic of Nauru |
| 43 | Republic of Sierra Leone |
| 44 | San Marino |
| 45 | Sao Tome and Principe |
| 46 | South Africa |
| 47 | Sri Lanka |
| 48 | St. Kitts and Nevis |
| 49 | St. Vincent & Grenadines |
| 50 | Syrian Arab Republic |
| 51 | Tuvalu |
| 52 | United Arab Emirates |
| 53 | United States of America |
| 54 | Vanuatu |
| 55 | Vietnam |